Experimental Study on the Transport of Light Gas Molecules through Low-Density Polyethylene Films

Table 2

Activation energy for permeation and activation energy for diffusion as obtained by the Arrhenius plot of the permeability and diffusivity data in Figures 6(a) and 6(b).

Test gas	(kJ/mol)	(kJ/mol)
CO2	36.5 ± 0.5	34.0 ± 0.3
N2	43.2 ± 0.8	38.2 ± 0.5
D2	33.2 ± 0.8	18.8 ± 0.4
He	37.2 ± 0.7	10.0 ± 0.4